Adding comments for more information

Author: abhidnya13

config.py

@@ -2,7 +2,9 @@ class Config:
     """Set Flask configuration vars from .env file."""
 
     # General Config
-    SECRET_KEY = 'super_secret_key'
+    SECRET_KEY = 'super_secret_key'  # Setting it as an environment variable is recommended
 
     # Flask-Session
-    SESSION_TYPE = 'filesystem'
+    SESSION_TYPE = 'filesystem'  # You can choose between Redis, SqlAlchemy, MongoDB or memcachec
+    # There are other configuration options which can be used for a more customized application
+    # More information about this can be found here : https://pythonhosted.org/Flask-Session/